<template>
  <a-layout>
    <a-layout-content
      :style="{
        background: '#fff',
        padding: '24px',
        margin: 0,
        minHeight: '280px',
      }"
    >
      <a-row :gutter="24">
        <a-col :span="8">
          <p>
            <a-form layout="inline" :model="param">
              <a-form-item>
                <a-button type="primary" @click="handleQuery()">
                  刷新
                </a-button>
              </a-form-item>
              <a-form-item>
                <a-button type="primary" @click="add()"> 新增 </a-button>
              </a-form-item>
            </a-form>
          </p>
          <a-table
            v-if="level1.length>0"
            :columns="columns"
            :row-key="(record) => record.id"
            :data-source="level1"
            :pagination="false"
            :loading="loading"
            size="small"
            :defaultExpandAllRows="true"
          >
            <template #name="{ text: record }">
              <span>
                {{record.sort}}/{{text}}
              </span>
            </template>
            <template v-slot:action="{ text, record }">
              <a-space size="small">
                <a-button type="primary" @click="edit(record)"> 编辑 </a-button>
                <a-popconfirm
                  title="删除后不可恢复，确认删除?"
                  ok-text="是"
                  cancel-text="否"
                  @confirm="handleDelete(record.id)"
                >
                  <a-button type="danger"> 删除 </a-button>
                </a-popconfirm>
              </a-space>
            </template>
          </a-table>
        </a-col>
        <a-col :span="16">
          <p>
            <a-from layout="inline" :model="param">
              <a-from-item>
                <a-button type="primary" @click="handleSave()">
                  保存
                </a-button>
              </a-from-item>
            </a-from>
          </p>
          <a-form
            :model="doc"
            layout="vertical"
          >
            <a-form-item label="名称">
              <a-input v-model:value="doc.name" placeholder="名称"/>
            </a-form-item>
            <a-form-item label="父文档">
              <a-tree-select
                v-model:value="doc.parent"
                style="width: 100%"
                :dropdown-style="{ maxHeight: '400px', overflow: 'auto' }"
                :tree-data="treeSelectData"
                placeholder="请选择父文档"
                tree-default-expand-all
                :replaceFields="{ title: 'name', key: 'id', value: 'id' }"
              >
              </a-tree-select>

              <!-- <a-select v-model:value="doc.parent" ref="select">
                <a-select-option :value="0">无</a-select-option>
                <a-select-option v-for="c in level1" :value="c.id" :key="c.id" :disabled="doc.id === c.id">{{c.name}}}</a-select-option>
              </a-select> -->
            </a-form-item>
            <a-form-item label="顺序">
              <a-input v-model:value="doc.sort"  placeholder="顺序"/>
            </a-form-item>
            <a-form-item label="内容">
              <div id="content"></div>
            </a-form-item>
          </a-form>
        </a-col>
      </a-row>
      <!-- <p>
        <a-button type="primary" @click="add()"> 新增 </a-button>
      </p> -->

      <!--点击编辑弹出的modal框-->
      <!-- <div>
        <a-modal
          title="Title"
          v-model:visible="modalVisible"
          :confirm-loading="modalLoading"
          @ok="handleModalOk"
        >

        </a-modal>
      </div> -->
    </a-layout-content>
  </a-layout>
</template>
<script lang="ts">
import { defineComponent, onMounted, ref } from "vue";
import axios from "axios";
import { message } from "ant-design-vue";
import { Tool } from "@/util/tool";
import { useRoute } from "vue-router";
import E from "wangeditor";

export default defineComponent({
  name: "AdminDoc",
  setup() {
    // 通过路由内置函数的到一个路由变量route，而这个变量里面就有路由的信息，包括路径的参数
    const route = useRoute();

    const param = ref();
    param.value = {};
    const docs = ref();
    docs.value={};
    const loading = ref(false);

    const treeSelectData = ref();
    treeSelectData.value = [];

    const level1 = ref();
    level1.value = [];
    const columns = [
      {
        title: "名称",
        dataIndex: "name",
      },
      {
        title: "操作",
        key: "action",
        slots: { customRender: "action" },
      },
    ];

    /**
     * 数据查询
     **/
    const handleQuery = () => {
      loading.value = true;
      axios.get("/doc/getDoc").then((response) => {
        loading.value = false;
        const data = response.data;
        if (data.success) {
          docs.value = data.content.list;
          level1.value = [];
          level1.value = Tool.array2Tree(docs.value, 0);

          // 父文档下拉框初始化，相当于点击新增
            treeSelectData.value = Tool.copy(level1.value) || [];
            // 为选择树添加一个"无"
            treeSelectData.value.unshift({id: 0, name: '无'});
        } else {
          message.error(data.message);
        }
      });
    };

    // -----------编辑弹出来的表单-----------

    const doc = ref();
    doc.value = {};
    const modalVisible = ref(false);
    const modalLoading = ref(false);

    const editor = new E("#content");
    editor.config.zIndex = 0;

    const handleSave = () => {
      modalLoading.value = true;
      doc.value.content = editor.txt.html();
      axios.post("/doc/save", doc.value).then((response) => {
        modalLoading.value = false;
        const data = response.data; // data = commonResp
        if (data.success) {
          // modalVisible.value = false;
          message.success("保存成功！");
          // 重新加载列表
          handleQuery();
        } else {
          message.error(data.message);
        }
      });
    };

    /**
     * 将某节点及其子孙节点全部置为disabled
     */
    const setDisable = (treeSelectData: any, id: any) => {
      // console.log(treeSelectData, id);
      // 遍历数组，即遍历某一层节点
      for (let i = 0; i < treeSelectData.length; i++) {
        const node = treeSelectData[i];
        if (node.id === id) {
          // 如果当前节点就是目标节点
          console.log("disabled", node);
          // 将目标节点设置为disabled
          node.disabled = true;

          // 遍历所有子节点，将所有子节点全部都加上disabled
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            for (let j = 0; j < children.length; j++) {
              setDisable(children, children[j].id);
            }
          }
        } else {
          // 如果当前节点不是目标节点，则到其子节点再找找看。
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            setDisable(children, id);
          }
        }
      }
    };

    /**
     * 获取某节点及其子孙节点全部id
     */
    const ids: Array<string> = [];
    const getDeleteIds = (treeSelectData: any, id: any) => {
      // 遍历数组，即遍历某一层节点
      for (let i = 0; i < treeSelectData.length; i++) {
        const node = treeSelectData[i];
        if (node.id === id) {
          // 把目标id放入结果集
          ids.push(id);
          // 遍历所有子节点
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            for (let j = 0; j < children.length; j++) {
              getDeleteIds(children, children[j].id);
            }
          }
        } else {
          // 如果当前节点不是目标节点，则到其子节点再找找看。
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            getDeleteIds(children, id);
          }
        }
      }
    };

    /**
     * 内容查询
     */
    const  handleQueryContent = ()=>{
        axios.get("/doc/find-content/"+doc.value.id).then((response)=>{
          console.log(doc.value.id)
          const data=response.data;
            if(data.success){
                editor.txt.html(data.content);
            }else{
                message.error(data.message);
            }
        });
    };

    /**
     * 编辑
     */
    const edit = (record: any) => {
      editor.txt.html("");
      modalVisible.value = true;
      //   doc.value = record;
      doc.value = Tool.copy(record);
      handleQueryContent();

      // 不能选择当前节点及其所有子孙节点，作为父节点，会使树断开
      treeSelectData.value = Tool.copy(level1.value);
      setDisable(treeSelectData.value, record.id);

      // 为选择树添加一个"无"
      treeSelectData.value.unshift({ id: 0, name: "无" }); // unshift({id: 0, name: '无'})的作用就是在数组的前面加一个指定节点
    };

    /**
     * 新增
     */
    const add = () => {
      editor.txt.html("");
      modalVisible.value = true;
      doc.value = {
        ebookId: route.query.ebookId,
      };

      treeSelectData.value = Tool.copy(level1.value);
      // 为选择树添加一个"无"
      treeSelectData.value.unshift({ id: 0, name: "无" });
    };

    /**
     * 删除
     */
    const handleDelete = (id: number) => {
      getDeleteIds(level1.value, id); //此方法执行完之后的IDS里面就装了当前节点id以及它的子节点id
      axios.delete("/doc/delete/" + ids.join(",")).then((response) => {
        const data = response.data; // data = commonResp
        if (data.success) {
          // 重新加载列表
          handleQuery();
        }
      });
    };


    onMounted(() => {
      handleQuery();
      editor.create();
    });

    return {
      level1,
      // docs,
      columns,
      loading,

      edit,
      add,
      handleDelete,
      param,
      handleQuery,
      doc,
      handleSave,

      modalVisible,
      modalLoading,
      treeSelectData,
    };
  },
});
</script>
<style>
.w-e-menu {
  z-index: 2 !important;
}
.w-e-text-container {
  z-index: 1 !important;
}
</style>